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How does visual language affect crossmodal plasticity and cochlear implant success?
UCL, England .
UCL, England .
UCL, England .
Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. UCL, England.
2013 (English)In: Neuroscience and Biobehavioral Reviews, ISSN 0149-7634, E-ISSN 1873-7528, Vol. 37, no 10, 2621-2630 p.Article, review/survey (Refereed) Published
Abstract [en]

Cochlear implants (CI) are the most successful intervention for ameliorating hearing loss in severely or profoundly deaf children. Despite this, educational performance in children with CI continues to lag behind their hearing peers. From animal models and human neuroimaging studies it has been proposed the integrative functions of auditory cortex are compromised by crossmodal plasticity. This has been argued to result partly from the use of a visual language. Here we argue that cochlear implant sensitive periods comprise both auditory and language sensitive periods, and thus cannot be fully described with animal models. Despite prevailing assumptions, there is no evidence to link the use of a visual language to poorer CI outcome. Crossmodal reorganisation of auditory cortex occurs regardless of compensatory strategies, such as sign language, used by the deaf person. In contrast, language deprivation during early sensitive periods has been repeatedly linked to poor language outcomes. Language sensitive periods have largely been ignored when considering variation in CI outcome, leading to ill-founded recommendations concerning visual language in CI habilitation.

Place, publisher, year, edition, pages
Elsevier , 2013. Vol. 37, no 10, 2621-2630 p.
Keyword [en]
Cochlear implant; Deafness; Functional decoupling; Crossmodal reorganisation; Delayed/insecure language acquisition
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-104844DOI: 10.1016/j.neubiorev.2013.08.011ISI: 000330490200015OAI: diva2:699602
Available from: 2014-02-28 Created: 2014-02-28 Last updated: 2014-09-11

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The Swedish Institute for Disability ResearchDepartment of Behavioural Sciences and LearningFaculty of Arts and Sciences
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Neuroscience and Biobehavioral Reviews
Engineering and Technology

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